JB

John M. Boyes

Overall (All Time): #3,949,030 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4733825 Centrifugal grinding mills William Rayner, Charles H. Warman 1988-03-29